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      1 /*
      2  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_FEC_RECEIVER_IMPL_H_
     12 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_FEC_RECEIVER_IMPL_H_
     13 
     14 // This header is included to get the nested declaration of Packet structure.
     15 
     16 #include "webrtc/modules/rtp_rtcp/interface/fec_receiver.h"
     17 #include "webrtc/modules/rtp_rtcp/interface/rtp_rtcp_defines.h"
     18 #include "webrtc/modules/rtp_rtcp/source/forward_error_correction.h"
     19 #include "webrtc/system_wrappers/interface/scoped_ptr.h"
     20 #include "webrtc/typedefs.h"
     21 
     22 namespace webrtc {
     23 
     24 class CriticalSectionWrapper;
     25 
     26 class FecReceiverImpl : public FecReceiver {
     27  public:
     28   FecReceiverImpl(RtpData* callback);
     29   virtual ~FecReceiverImpl();
     30 
     31   virtual int32_t AddReceivedRedPacket(const RTPHeader& rtp_header,
     32                                        const uint8_t* incoming_rtp_packet,
     33                                        int packet_length,
     34                                        uint8_t ulpfec_payload_type) OVERRIDE;
     35 
     36   virtual int32_t ProcessReceivedFec() OVERRIDE;
     37 
     38  private:
     39   scoped_ptr<CriticalSectionWrapper> crit_sect_;
     40   RtpData* recovered_packet_callback_;
     41   ForwardErrorCorrection* fec_;
     42   // TODO(holmer): In the current version received_packet_list_ is never more
     43   // than one packet, since we process FEC every time a new packet
     44   // arrives. We should remove the list.
     45   ForwardErrorCorrection::ReceivedPacketList received_packet_list_;
     46   ForwardErrorCorrection::RecoveredPacketList recovered_packet_list_;
     47 };
     48 }  // namespace webrtc
     49 
     50 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_FEC_RECEIVER_IMPL_H_
     51